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Abstract #3160

MRI of the Cartilaginous and Fibrous Structure of the Meniscus of the Knee: In Vitro Studies at 11.7T

Hongda Shao 1 , Soorena A. Zanganeh 1 , Jihye Baek 1 , Daryl D'Lima 1 , Jiang Du 1 , Nikolaus M. Szeverenyi 1 , and Graeme Bydder 1

1 University of California, San Diego, CA, United States

Human and bovine menisci specimens were imaged at 11.7T to demonstrate their cartilaginous and fibrous structure using 2D spin echo and 3D gradient echo sequences. Central and superficial cartilaginous regions were readily differentiated from internal and peripheral fibrous regions. Circumferential, radial, vertical, oblique and curved fiber groups were shown and related to the position of blood vessels and to the presence of cartilage. Previously undescribed MRI features of the meniscus were readily seen and may provide a basis for understanding clinical images obtained at higher field strengths.

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